GB/T 28405-2012Regulations for classification on agriculture land (English PDF)

3.1 Farmland agricultureland

Directly used for agricultural production land, including farmland, woodland, grassland, land for farmland water conservancy, water surfaces for breeding.

3.2 Farmland level agriculturelandclass

In the administrative area, based on the natural properties constitute the land quality, socio-economic status and geographic conditions, according to the local land management and real

Circumstances so require, in accordance with the principal requirements consistent with the principle that, according to some agricultural land grading purposes, in accordance with the methods and procedures specified in advance

Quality agricultural land line integrated, quantitative assessment, divided farmland levels.

3.3 Amendment Act revisemethod

In farmland classification based on the calculated correction factor based on the purpose of classification, select geographic conditions, ease of cultivation and other factors, points

And other achievements amended, to assess the level of agricultural methods.

3.4 Factor method

Through the natural properties of the land constituting the quality, socio-economic status and geographic conditions of a comprehensive analysis to determine the factors system and influence

Weighting factor calculation unit total score, as a basis for an objective method of assessing the level of agricultural land.

3.5 Plot method

A selected standard reference sample for establishing grading factor scoring rules, by comparison, the calculation unit grading factor scores, assessment of agricultural land

Level approach.